Butterfly valve convenient to open

Abstract

The utility model discloses a butterfly valve convenient to open, which comprises a valve body, a valve rod is rotatably connected in the valve body, and the butterfly valve convenient to open has the beneficial effects that an inner rotating disc and an outer fixing plate are arranged, so that the inner rotating disc and the outer fixing plate are driven to rotate when the rotating rod rotates and is adjusted, and the outer fixing plate slides in a sliding side opening; an indicator plate is driven by an outer fixing plate, and the indicator plate is matched with an angle plate to observe the rotating angle of an inner rotating disc, so that the rotating adjusting angles of a rotating rod, a valve rod and a butterfly plate are observed, and the required flow is conveniently adjusted; the output end of the motor drives the worm to rotate and adjust, the worm rotates to drive the meshed worm gear to rotate and adjust, angle rotation adjustment of the rotating rod on the inner side of the worm gear is completed, the opening and closing angles of the valve rod and the butterfly plate are adjusted, and opening and closing of the butterfly valve are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, concretely is a butterfly valve convenient to open. BACKGROUND

[0002] The butterfly valve is a kind of valve that is opened, closed or regulated by the rotation of disc-shaped closing element (butterfly plate) around valve shaft, has multiple classification ways, such as according to working pressure, working temperature, connection mode etc., is widely used in various fluid control systems, and most of the existing butterfly valves lack the structure that can intuitively show the adjustment angle of disc plate, the regulation of flow is not accurate enough, and it is difficult to meet the requirements of fluid control under different working conditions. SUMMARY

[0003] The utility model discloses a butterfly valve convenient to open to solve the problem that most of the existing butterfly valves lack the structure that can intuitively show the adjustment angle of disc plate in the above background art, the regulation of flow is not accurate enough, and it is difficult to meet the requirements of fluid control under different working conditions.

[0004] To achieve the above object, the utility model provides the following technical scheme: a butterfly valve convenient to open, including the valve body, the inside rotation of valve body is connected with valve rod, the outside of valve rod is provided with disc plate, the top of valve body is provided with fixed top column, the inside rotation of fixed top column is connected with rotating rod, the bottom of rotating rod is fixedly connected with valve rod, and rotating rod is rotatably connected with valve body, the outside of rotating rod is provided with worm wheel, the inside rotation of fixed top column is connected with worm, and worm is engaged with worm wheel, the top of rotating rod is provided with inner rotary disc, and inner rotary disc is rotatably connected with fixed top column, the outside of inner rotary disc is provided with the outer fixed plate of symmetry, the inside of fixed top column is provided with the sliding side opening of symmetry with the cooperation of outer fixed plate, and outer fixed plate is slidably connected with sliding side opening, the outside of fixed top column is provided with the angle plate of symmetry, and the side of outer fixed plate is provided with the indicating plate that cooperates with angle plate.

[0005] As a preferred scheme of the utility model: the top of fixed top column is fixedly connected with the support top frame of symmetry, and the bottom of support top frame is installed with illuminating lamp.

[0006] As a preferred scheme of the utility model: the top of inner rotary disc is fixedly connected with top fixed disc, and top fixed disc is rotatably connected with fixed top column.

[0007] As a preferred scheme of the utility model: the outside of top fixed disc is fixedly connected with the limiting side block of symmetry, and the inside of fixed top column is provided with the inner limiting sliding slot of symmetry with the cooperation of limiting side block, and limiting side block is slidably connected with inner limiting sliding slot.

[0008] As a preferred scheme of the utility model: one side of the fixed top column is equipped with a motor, and the output end of the motor is fixedly connected with a worm.

[0009] As a preferred scheme of the utility model: the top of the fixed top column is equipped with a controller, and the motor and the illuminating lamp are electrically connected with the controller.

[0010] Compared with the prior art, the utility model has the beneficial effects that: through the setting of the inner rotating disc, the outer fixed plate, the rotation of the rotating rod is realized, the inner rotating disc and the outer fixed plate are driven to rotate, the outer fixed plate slides in the sliding side opening, the indicating plate is driven by the outer fixed plate, the rotation angle of the inner rotating disc is observed between the indicating plate and the angle plate, thereby the rotation adjustment angle of the rotating rod, the valve rod and the disc plate is observed and handled, the required flow size is conveniently adjusted, the worm, the worm wheel are set, the output end of the motor drives the worm to rotate and adjust, the meshed worm wheel is driven to rotate and adjust when the worm rotates, the angle rotation adjustment of the rotating rod in the worm wheel is completed, the opening and closing angle of the valve rod and the disc plate is adjusted and handled, the opening and closing of the butterfly valve is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the internal structure schematic view of the utility model;

[0012] Fig. 2 It is the top view of the inner rotating disc of the utility model;

[0013] Fig. 3 It is the top view of the top fixed disc of the utility model;

[0014] Fig. 4 It is the top view of the worm wheel and the worm of the utility model.

[0015] In the drawing: 1, valve body; 2, disc plate; 3, rotating rod; 4, fixed top column; 5, worm wheel; 6, worm; 7, motor; 8, controller; 9, support top frame; 10, illuminating lamp; 11, outer fixed plate; 12, indicating plate; 13, inner rotating disc; 14, top fixed disc; 15, limiting side block; 16, inner limiting sliding slot; 17, sliding side opening; 18, angle plate; 19, valve rod. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0017] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a butterfly valve of convenient opening, including valve body 1, the inside rotation of valve body 1 is connected with valve stem 19, the outside fixed connection of valve stem 19 is with disc plate 2, the top of valve body 1 is fixedly connected with fixed top column 4, the inside rotation of fixed top column 4 is connected with rotating rod 3, the bottom end of rotating rod 3 is fixedly connected with valve stem 19, rotating rod 3 is rotationally connected with valve body 1, the outside fixed connection of rotating rod 3 is with worm wheel 5, the inside rotation of fixed top column 4 is connected with worm 6, worm 6 is meshed with worm wheel 5, the top of rotating rod 3 is fixedly connected with inner rotating disc 13, inner rotating disc 13 is rotationally connected with fixed top column 4, the outside symmetrical fixed connection of inner rotating disc 13 is with outer fixed plate 11, the inside symmetrical of fixed top column 4 is provided with with the sliding side mouth 17 of cooperation of outer fixed plate 11, outer fixed plate 11 is slidably connected with sliding side mouth 17, the outside symmetrical fixed connection of fixed top column 4 is with angle plate 18, the side fixed connection of outer fixed plate 11 is with the indicating plate 12 of cooperation of angle plate 18, by the cooperation between indicating plate 12 and angle plate 18, the rotation angle of inner rotating disc 13, outer fixed plate 11 and indicating plate 12 is observed, and the rotation angle of rotating rod 3, valve stem 19 and disc plate 2 is observed and handled.

[0018] Wherein, the top of fixed top column 4 is fixedly connected with support top frame 9, the bottom of support top frame 9 is equipped with illuminating lamp 10, and the illuminating lamp 10 is supported by the support top frame 9, and the illumination of indicating plate 12 and angle plate 18 is completed by illuminating lamp 10, which is convenient to observe in insufficient light position.

[0019] Wherein, the top of inner rotating disc 13 is fixedly connected with top fixed disc 14, and top fixed disc 14 is rotationally connected with fixed top column 4, and inner rotating disc 13 drives top fixed disc 14 to rotate synchronously when rotating, and inner rotating disc 13 and top fixed disc 14 are limited to rotate in fixed top column 4.

[0020] Wherein, the outside of top fixed disc 14 is fixedly connected with limit side block 15, and the inside of fixed top column 4 is provided with with the inner limit sliding groove 16 of cooperation of limit side block 15, and limit side block 15 is slidably connected with inner limit sliding groove 16, limit side block 15 is rotated by top fixed disc 14 when inner rotating disc 13 drives top fixed disc 14 to rotate, limit side block 15 is limited to slide in inner limit sliding groove 16, and the rotation angle of limit side block 15 and top fixed disc 14 is limited and handled.

[0021] Wherein, the side of fixed top column 4 is equipped with motor 7, and the output end of motor 7 is fixedly connected with worm 6, and worm 6 is driven to rotate by the output end of motor 7, and worm 6 drives meshed worm wheel 5 to rotate when rotating, to complete the rotation adjustment of rotating rod 3, valve stem 19 and disc plate 2.

[0022] The top of the fixed top column 4 is provided with a controller 8, the motor 7 and the illuminating lamp 10 are electrically connected with the controller 8, the motor 7 and the illuminating lamp 10 are controlled by the controller 8, and the working efficiency and stability are improved.

[0023] Specifically, in use, an external power supply is used to power on the device, the motor 7 is started by the controller 8, the output end of the motor 7 drives the worm 6 to rotate, the worm 6 drives the meshed worm gear 5 to rotate when rotating, the worm gear 5 drives the rotating rod 3 on the inner side to rotate, the rotating rod 3 drives the valve rod 19 and the disc plate 2 to rotate when rotating, the opening and closing adjustment of the disc plate 2 is completed, the inner rotating disc 13 at the top end is synchronously rotated when the rotating rod 3 rotates, the inner rotating disc 13 drives the top fixed disc 14 to rotate, the outer fixed plate 11 and the indicating plate 12 on the outer side are driven to rotate when the inner rotating disc 13 rotates, the rotating angle of the rotating rod 3, the valve rod 19 and the disc plate 2 is observed by observing the position indicated between the indicating plate 12 and the angle plate 18, the top fixed disc 14 drives the limiting side block 15 on the outer side to limit sliding in the inner limiting sliding groove 16 when the inner rotating disc 13 drives the top fixed disc 14 to rotate, and the stability of the rotating adjustment is improved, when the indicating plate 12 rotates to the indicated position of the angle plate 18, the motor 7 is turned off at this moment by the controller 8, the illuminating lamp 10 is started by the controller 8 in the case that the light is weak, and the position of the outer fixed plate 11, the indicating plate 12 and the angle plate 18 is illuminated by the illuminating lamp 10, so that the angle of the observation and adjustment is convenient.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model.

[0025] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0026] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0027] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A butterfly valve of the kind comprising a valve body (1), characterized in that, The inside of the valve body (1) is rotatably connected with a valve rod (19), the outer side of the valve rod (19) is provided with a disc plate (2), the top of the valve body (1) is provided with a fixed top column (4), the inside of the fixed top column (4) is rotatably connected with a rotating rod (3), the bottom end of the rotating rod (3) is fixedly connected with the valve rod (19), the rotating rod (3) is rotatably connected with the valve body (1), the outer side of the rotating rod (3) is provided with a worm gear (5), the inside of the fixed top column (4) is rotatably connected with a worm (6), the worm (6) is meshingly connected with the worm gear (5), the top end of the rotating rod (3) is provided with an inner rotating disc (13), the inner rotating disc (13) is rotatably connected with the fixed top column (4), the outer side of the inner rotating disc (13) is symmetrically provided with an outer fixed plate (11), the inside of the fixed top column (4) is symmetrically provided with a sliding side opening (17) matched with the outer fixed plate (11), the outer fixed plate (11) is slidably connected with the sliding side opening (17), the outer side of the fixed top column (4) is symmetrically provided with an angle plate (18), one side of the outer fixed plate (11) is provided with an indicating plate (12) matched with the angle plate (18).

2. A butterfly valve according to claim 1, wherein: The top of the fixed top column (4) is symmetrically fixedly connected with a supporting top frame (9), the bottom of the supporting top frame (9) is mounted with an illuminating lamp (10).

3. A butterfly valve according to claim 1, wherein: The top of the inner rotating disc (13) is fixedly connected with a top fixed disc (14), the top fixed disc (14) is rotatably connected with the fixed top column (4).

4. A butterfly valve according to claim 3, wherein: The outer side of the top fixed disc (14) is symmetrically fixedly connected with a limiting side block (15), the inside of the fixed top column (4) is symmetrically provided with an inner limiting sliding groove (16) matched with the limiting side block (15), the limiting side block (15) is slidably connected with the inner limiting sliding groove (16).

5. A butterfly valve according to claim 2, wherein: One side of the fixed top column (4) is mounted with a motor (7), the output end of the motor (7) is fixedly connected with the worm (6).

6. A butterfly valve according to claim 5, wherein: The top of the fixed top column (4) is mounted with a controller (8), the motor (7) and the illuminating lamp (10) are electrically connected with the controller (8).

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